21000307065

素因数分解:

$3^1\times 5^1\times {\mathrm{733}}^1\times {\mathrm{1909987}}^1$

素因数の和:1910728

約数の個数: 16

約数和(自身を含む): 33646348608

約数和(自身を除く): 12646041543

約数列:

[1, 3, 5, 15, 733, 2199, 3665, 10995, 1909987, 5729961, 9549935, 28649805, 1400020471, 4200061413, 7000102355, 21000307065]

約数ペア:

[(1, 21000307065), (3, 7000102355), (5, 4200061413), (15, 1400020471), (733, 28649805), (2199, 9549935), (3665, 5729961), (10995, 1909987)]